Recent content by Live-liner

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    3.7 pressure and ight oil mist comimn from breather hose

    Hi, Ok guys, I need a little help on my 1986 3.7 190. So far I have been out exactly 5 times this year and have limped back every time. Here is history of problems and work done so far this season. Let's start by saying that my last outing of last year (after running perfect all season) the...
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    how difficult would it be to change out my gimbal bearing on an alpha one ? 1989 3.0

    Re: how difficult would it be to change out my gimbal bearing on an alpha one ? 1989 I use a seal installation tool like this from Harbor Freights. Its aluminum and wont beat up the ring. I use the flat side of the flange that fits best not the raised side. You just need to attach to a long...
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    Mercruiser 3.7 Heat Exchanger

    Good Morning, Could someone tell me a good way to clean, and "bench test" my heat exchanger. The manual tells me how to test while installed in the boat, but I want to bench test. I read somewhere on this forum that acetone can be used for testing instead of pressure. I also read that an acid...
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    470 3.7 Mercruiser exhaust elbow

    Good morning, Does anybody have an idea as to why these exhaust elbows are out of stock everywhere? Osco, Barr, Sierra, Mercruiser, can't seem to find one anywhere. I hope they are not phasing them out........ Dave:confused: The one for the aluminum manifold..
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    Timing marks in Wrong place

    Hello, Another stupid quesetion..... 1986 3.7 190, Trying to set timing, however the marks are not where they are supposed to be. What would cause this? I changed the keyway on the crankshaft a couple years ago, and have not been able to set the timing correctly since. The black mark on the...
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    3.7 Mercruiser, re-torquing head

    Hello, I just replaced head gasket on my 1986 3.7 190. I torqued the head in three stages according to the manual. I know you have to re-torque the head bolts after engine gets up to temp. My question is, should it be allowed to cool completely, or should it be done while still warm? I ran on...
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    3.7 Head Gasket??

    Good Morning all, Just looking for a bit of input. I just replaced the head gasket on my 1986 3.7 190. This is what the deck looked like upon disassembly. My compression test came out as; #1-155, #2-150, #3-125, and #4-135. Couldn't get the boat to idle and saw some steam and loss of coolant...
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    Mercruiser 3.7 190 Exhaust manifold to elbow gasket

    Good morning , I have been having issues with coolant leaking into #3, and #4 cylinders. I have replaced pretty much everything from the head gasket up. Before I decided that the head gasket was bad, I replaced manifold and elbow but continued to have the problem. My question has to do with the...
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    Mercruiser 3.7 elbo to manifold gasket

    Good morning , I have been having issues with coolant leaking into #3, and #4 cylinders. I have replaced pretty much everything from the head gasket up. Before I decided that the head gasket was bad, I replaced manifold and elbow but continued to have the problem. My question has to do with the...
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